title: Reconstructing patient-specific cardiac models from contours via Delaunay triangulation and graph-cuts.
abstract: This study proposes a novel method to reconstruct the left cardiac structure from contours. Given the contours representing left ventricle (LV), left atrium (LA), and aorta (AO), re-orientation, contour matching, extrapolation, and interpolation are performed sequentially. The processed data are then reconstructed via a variational method. The weighted minimal surface model is revised to handle the multi-phase cases, which happens at the LV-LA-AO junction. A Delaunay-based tetrahedral mesh is generated to discretize the domain while the max-flow/min-cut algorithm is utilized as the minimization tool. The reconstructed model including LV, LA, and AO structure is extracted from the mesh and post-processed further. Numerical examples show the robustness and effectiveness of the proposed method.
authors.forename: Min
authors.initials: M
authors.lastname: Wan
authors.forename: Calvin
authors.initials: C
authors.lastname: Lim
authors.forename: Junmei
authors.initials: J
authors.lastname: Zhang
authors.forename: Yi
authors.initials: Y
authors.lastname: Su
authors.forename: Si Yong
authors.initials: SY
authors.lastname: Yeo
authors.forename: Desheng
authors.initials: D
authors.lastname: Wang
authors.forename: Ru San
authors.initials: RS
authors.lastname: Tan
authors.forename: Liang
authors.initials: L
authors.lastname: Zhong
mesh_terms: D000328:Adult; D000368:Aged; D000465:Algorithms; D005260:Female; D006321:Heart / Q000502:physiology; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008297:Male; D008875:Middle Aged; D008955:Models, Cardiovascular; D055815:Young Adult